Physics, asked by mithusain06, 9 months ago

A bicycle increases it's velocity from 10km/h to 15kmph in 6 seconds. calculate it's acceleration.

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Answered by Hoaxen
9

We are given that the initial velocity (u) of the bicycle was 10 km/h. Also, it's final velocity (v)becomes 15 km/h. Time taken (t) was 6 seconds.

We know,

Acceleration = Rate of Change of Velocity,

or mathematically,

a = (v-u)/t

where,

a stands for acceleration, v and u are the final and initial velocities respectively and t is for time taken.

or, a = (15 km/h - 10 km/h)/(6 s)

or, a = (5 km/h)/(6 s)

or, a = (25/18 m/s)/(6s)

or, a = (25/18 × 6) m/s²

or, a = 25/3 m/s²

(or, a ≈ 8.3 m/s²)

Therefore, acceleration was of approximately 8.3 m/.

Note: We converted (km/h) to (m/s) by multiplying the speed value given in (km/h) with (5/18).

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